156979920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{4993}}^1$

素因数の和:5140

約数の個数: 80

約数和(自身を含む): 490450752

約数和(自身を除く): 333470832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 131, 240, 262, 393, 524, 655, 786, 1048, 1310, 1572, 1965, 2096, 2620, 3144, 3930, 4993, 5240, 6288, 7860, 9986, 10480, 14979, 15720, 19972, 24965, 29958, 31440, 39944, 49930, 59916, 74895, 79888, 99860, 119832, 149790, 199720, 239664, 299580, 399440, 599160, 654083, 1198320, 1308166, 1962249, 2616332, 3270415, 3924498, 5232664, 6540830, 7848996, 9811245, 10465328, 13081660, 15697992, 19622490, 26163320, 31395984, 39244980, 52326640, 78489960, 156979920]

約数ペア:

[(1, 156979920), (2, 78489960), (3, 52326640), (4, 39244980), (5, 31395984), (6, 26163320), (8, 19622490), (10, 15697992), (12, 13081660), (15, 10465328), (16, 9811245), (20, 7848996), (24, 6540830), (30, 5232664), (40, 3924498), (48, 3270415), (60, 2616332), (80, 1962249), (120, 1308166), (131, 1198320), (240, 654083), (262, 599160), (393, 399440), (524, 299580), (655, 239664), (786, 199720), (1048, 149790), (1310, 119832), (1572, 99860), (1965, 79888), (2096, 74895), (2620, 59916), (3144, 49930), (3930, 39944), (4993, 31440), (5240, 29958), (6288, 24965), (7860, 19972), (9986, 15720), (10480, 14979)]